CN204061370U - Single-shot booster - Google Patents

Single-shot booster Download PDF

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Publication number
CN204061370U
CN204061370U CN201420459436.2U CN201420459436U CN204061370U CN 204061370 U CN204061370 U CN 204061370U CN 201420459436 U CN201420459436 U CN 201420459436U CN 204061370 U CN204061370 U CN 204061370U
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CN
China
Prior art keywords
piston
cylinder body
sleeve
joint
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420459436.2U
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Chinese (zh)
Inventor
陈善坤
朱红梅
郑家菊
李精龙
方忠磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Changyuan Hydraulics Co Ltd
Original Assignee
Hefei Changyuan Hydraulics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Hefei Changyuan Hydraulics Co Ltd filed Critical Hefei Changyuan Hydraulics Co Ltd
Priority to CN201420459436.2U priority Critical patent/CN204061370U/en
Application granted granted Critical
Publication of CN204061370U publication Critical patent/CN204061370U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of single-shot booster, comprise the first joint, end cap, cylinder body, piston group, sleeve, the second joint; The large piston of described piston group and cylinder inner bore are contacted by seal ring and form motive sealing, and form low pressure chamber; The small piston of described piston group and hub internal bore are contacted by seal ring and form motive sealing, and form hyperbaric chamber; Described sleeve is connected with cylinder body, and described piston group to float between described sleeve and cylinder body and the air chamber formed outside hyperbaric chamber.Single-shot booster of the present utility model, has and can realize Quick-pressurizing, interval supercharging, structure be simple, it is convenient, safe and reliable to control, without temperature rise and comparatively Pneumatic Transmission the advantage such as to stablize.

Description

Single-shot booster
Technical field
The utility model relates to a kind of pressurized machine, particularly a kind of single-shot booster.
Background technique
At present, the maximum pressure grade of domestic and international conventional hydraulic system is generally 32-40Mpa.When hydraulic system needs the fluid of high pressure grade, generally realize this supercharging object by single-shot booster.Pressurized machine, in boost-up circuit, amplifies for realizing oil liquid pressure, to make to realize the pressure oil larger than system pressure on a certain branch road.
In existing supercharging technology, in order to enhance productivity and reduce costs, in actual use, pressure rating generally all reaches mesohigh level to pressurized machine, and even some operating mode reaches extra-high and arbitrarily downgrades, and the Security of corresponding pressurized machine and reliable rows also require high especially thereupon.Adopt described pressurized machine of the present utility model, have structure simple simultaneously, it is convenient, safe and reliable to control, and without temperature rise and comparatively Pneumatic Transmission such as to stablize at the advantage.
Model utility content
The utility model is for avoiding the deficiency that exists in above-mentioned prior art, provide a kind of pumping rate fast, can interval supercharging, the single-shot booster that safety and reliability is high.
The utility model be technical solution problem by the following technical solutions.
Single-shot booster, its structural feature is, comprises the first joint, end cap, cylinder body, piston group, sleeve and the second joint;
Described end cap is fixed on the left side of cylinder body, and is closed by the left end of cylinder body; The mode that described first joint is threaded connection is fixed on the left end of described end cap;
Described sleeve is inserted within described cylinder body from the left side of described cylinder body, and is closed by the right-hand member of cylinder body; The mode that described second joint is threaded connection is fixed on the right-hand member of described sleeve;
The middle part of described cylinder body is provided with a pneumatic fitting;
Described piston group comprises large piston and small piston, is connected between described large piston and described small piston by a piston rod; Described large piston is arranged within described cylinder body, and the space in described cylinder body is divided into low pressure chamber and air chamber;
The small piston of described piston group is arranged within described sleeve, and described small piston forms hyperbaric chamber within described sleeve.
The structural feature of single-shot booster of the present utility model is also:
The outer circumferential face of described large piston is provided with multiple large piston packing, and described large piston and cylinder inner bore are contacted by large piston packing and form motive sealing.
The outer circumferential face of described small piston is provided with multiple small piston seal ring, small piston and hub internal bore are contacted by small piston seal ring and form motive sealing.
Described pneumatic fitting is fixed on the excircle of described cylinder body in a welding manner.
Compared with the prior art, the utility model beneficial effect is embodied in:
Single-shot booster of the present utility model, comprises the first joint, end cap, cylinder body, piston group, sleeve, the second joint; The large piston of described piston group and cylinder inner bore are contacted by seal ring and form motive sealing, and form low pressure chamber; The small piston of described piston group and hub internal bore are contacted by seal ring and form motive sealing, and form hyperbaric chamber; Described sleeve is connected with cylinder body, and described piston group to float between described sleeve and cylinder body and the air chamber formed outside hyperbaric chamber.A kind of single-shot booster of the utility model, design in conjunction with cylinder and oil cylinder advantage, hydraulic oil and air are strictly isolated, be applicable to when a certain branch road in hydraulic system needs pressure very high, but during the little again pressure oil of flow, uneconomical again according to high-pressure service pump, or when just there is no the oil hydraulic pump of such high pressure at all, adopt described pressurized machine, can Quick-pressurizing be realized, interval supercharging, there is structure simultaneously simple, it is convenient to control, safe and reliable, and without temperature rise and comparatively Pneumatic Transmission such as to stablize at the advantage.
Pressurized machine of the present utility model, particularly suitable needs pressure very high but in the operating mode of the pressure oil that flow is little again at a kind of a certain branch road when in hydraulic system, uneconomical again according to high-pressure service pump, or when just there is no the oil hydraulic pump of such high pressure at all, need to realize Quick-pressurizing, interval supercharging, the technical field that Security, reliability requirement are very high.
Single-shot booster of the present utility model, can realize Quick-pressurizing, interval supercharging; Have the advantage of cylinder and oil cylinder, hydraulic oil and air are strictly isolated simultaneously; Hyperbaric chamber is arranged at inside air chamber, and air chamber has double layer security protective action to hyperbaric chamber; Adopt described pressurized machine, have structure simple simultaneously, it is convenient, safe and reliable to control, and without temperature rise and comparatively Pneumatic Transmission such as to stablize at the advantage.
Accompanying drawing explanation
Fig. 1 is the sectional view of single-shot booster of the present utility model.
Label in accompanying drawing 1: 1 first joint, 2 end caps, 3 cylinder bodies, 4 piston groups, 5 sleeves, 6 second joints, 11 first hydraulic fluid ports, 31 pneumatic fittings, 41 large pistons, 42 small pistons, 43 low pressure chambers, 44 air chambers, 45 hyperbaric chambers, 46 piston rods, 61 second hydraulic fluid ports, 311 air scoops, 411 large piston packings, 421 small piston seal rings.
Below by way of embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
Embodiment
See accompanying drawing 1, single-shot booster of the present utility model comprises the first joint 1, end cap 2, cylinder body 3, piston group 4, sleeve 5 and the second joint 6;
Described end cap 2 is fixed on the left side of cylinder body 3, and is closed by the left end of cylinder body 3; The mode that described first joint 1 is threaded connection is fixed on the left end of described end cap 2;
Described sleeve 5 is inserted within described cylinder body 3 from the left side of described cylinder body 3, and is closed by the right-hand member of cylinder body 3; The mode that described second joint 6 is threaded connection is fixed on the right-hand member of described sleeve 5;
The middle part of described cylinder body 3 is provided with a pneumatic fitting 31;
Described piston group 4 comprises large piston 41 and small piston 42, is connected between described large piston 41 and described small piston 42 by a piston rod 46; Described large piston 41 is arranged within described cylinder body 3, and the space in described cylinder body 3 is divided into low pressure chamber 43 and air chamber 44;
The small piston 42 of described piston group is arranged within described sleeve 5, and described small piston forms hyperbaric chamber 45 within described sleeve 5.
Space between described large piston and described end cap is described low pressure chamber, and the space between described large piston and described sleeve is air chamber.First hydraulic fluid port of the first joint on end cap is connected with described low pressure chamber by the through hole on end cap.Described pneumatic fitting is connected with described air chamber, and air scoop is connected with between described air chamber by the through hole on cylinder body.
Described small piston is positioned at the inside of sleeve, and the space on the right side of small piston is isolated into hyperbaric chamber.Second hydraulic fluid port of the second joint on described sleeve is connected with described hyperbaric chamber by the through hole on sleeve.
Described piston group 4 to float between described sleeve 5 and cylinder body 3 and the air chamber 44 formed outside hyperbaric chamber 45; Described hyperbaric chamber 45 is arranged at inside air chamber 44, and described air chamber 44 pairs of hyperbaric chambers 45 have double layer security protective action.
The outer circumferential face of described large piston 41 is provided with multiple large piston packing 411, and described large piston 41 and cylinder body 3 endoporus are contacted by large piston packing 411 and form motive sealing.
The outer circumferential face of described small piston 42 is provided with multiple small piston seal ring 421, and small piston 42 and sleeve 5 endoporus are contacted by small piston seal ring 421 and form motive sealing.
Described pneumatic fitting 31 is fixed on the excircle of described cylinder body 3 in a welding manner.
Described pneumatic fitting 31 is provided with air scoop 311, and described air scoop 311 can be connected with ambient air or tracheae; Described first joint 1 is provided with the first hydraulic fluid port 11, and described second joint 6 is provided with the second hydraulic fluid port 61; The diameter of described low pressure chamber 43 is D1 (span of D1 is 10mm ~ 1200mm), and pressure is P1; The diameter D2 (span of D2 is 5mm ~ 800mm) in described hyperbaric chamber 45, pressure is P2.The attachment cap of difference connected pipes on described first joint, the second joint, thus make hydraulic oil can pass in and out low pressure chamber, hyperbaric chamber respectively by oil pipe and the first hydraulic fluid port, the second hydraulic fluid port, hydraulic oil and air are strictly isolated.According to Pascal's energy conservation principle, P2/P1=D1 2/ D2 2, when low pressure chamber compression area is larger, more hour, hyperbaric chamber pressure just can be pressurized to the effect of several times low pressure chamber pressure to hyperbaric chamber compression area.
The large piston of described piston group and cylinder inner bore are contacted by seal ring and form motive sealing, and form low pressure chamber, the small piston of described piston group and hub internal bore are contacted by seal ring and form motive sealing, and form hyperbaric chamber, described sleeve is connected with cylinder body, and described piston group to float between described sleeve and cylinder body and the air chamber formed outside hyperbaric chamber, a kind of single-shot booster of the present utility model, design in conjunction with cylinder and oil cylinder advantage, hydraulic oil and air are strictly isolated, hyperbaric chamber is arranged at inside air chamber, air chamber has double layer security protective action to hyperbaric chamber, be applicable to when a certain branch road in hydraulic system needs pressure very high, but during the little again pressure oil of flow, uneconomical again according to high-pressure service pump, or when just there is no the oil hydraulic pump of such high pressure at all, adopt described pressurized machine, Quick-pressurizing can be realized, interval supercharging, there is structure simultaneously simple, it is convenient to control, safe and reliable, the advantages such as without temperature rise and comparatively Pneumatic Transmission is stable.
The utility model is not limited to above-mentioned hydraulic transmission supercharging, as operating mode determines to need the protection domain all belonging to this patent during Pneumatic Transmission supercharging.
Although the utility model is illustrated hereinbefore according to preferred embodiment, this does not represent that scope of the present utility model is confined to above-mentioned structure, if the structure that covers by the utility model claim all within protection domain.The equivalent substitution structure that those skilled in the art can develop easily after reading above-mentioned explanation, the equalization done under the spirit not departing from the utility model and scope changes and modifies, and all should be covered by within the utility model protection domain.

Claims (4)

1. single-shot booster, is characterized in that, comprises the first joint (1), end cap (2), cylinder body (3), piston group (4), sleeve (5) and the second joint (6);
Described end cap (2) is fixed on the left side of cylinder body (3), and is closed by the left end of cylinder body (3); The mode that described first joint (1) is threaded connection is fixed on the left end of described end cap (2);
Described sleeve (5) is inserted within described cylinder body (3) from the left side of described cylinder body (3), and is closed by the right-hand member of cylinder body (3); The mode that described second joint (6) is threaded connection is fixed on the right-hand member of described sleeve (5);
The middle part of described cylinder body (3) is provided with a pneumatic fitting (31);
Described piston group (4) comprises large piston (41) and small piston (42), is connected between described large piston (41) and described small piston (42) by a piston rod (46); Described large piston (41) is arranged within described cylinder body (3), the space in described cylinder body (3) is divided into low pressure chamber (43) and air chamber (44);
The small piston (42) of described piston group is arranged within described sleeve (5), and described small piston forms hyperbaric chamber (45) within described sleeve (5).
2. single-shot booster according to claim 1, it is characterized in that, the outer circumferential face of described large piston (41) is provided with multiple large piston packing (411), and described large piston (41) and cylinder body (3) endoporus are contacted by large piston packing (411) and form motive sealing.
3. single-shot booster according to claim 1, it is characterized in that, the outer circumferential face of described small piston (42) is provided with multiple small piston seal ring (421), small piston (42) and sleeve (5) endoporus are contacted by small piston seal ring (421) and form motive sealing.
4. single-shot booster according to claim 1, is characterized in that, described pneumatic fitting (31) is fixed on the excircle of described cylinder body (3) in a welding manner.
CN201420459436.2U 2014-08-13 2014-08-13 Single-shot booster Expired - Fee Related CN204061370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420459436.2U CN204061370U (en) 2014-08-13 2014-08-13 Single-shot booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420459436.2U CN204061370U (en) 2014-08-13 2014-08-13 Single-shot booster

Publications (1)

Publication Number Publication Date
CN204061370U true CN204061370U (en) 2014-12-31

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Family Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179733A (en) * 2014-08-13 2014-12-03 合肥长源液压股份有限公司 Single-action supercharger
CN108679007A (en) * 2018-05-18 2018-10-19 东莞海特帕沃液压科技有限公司 A kind of compact single-acting hydraulic booster

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179733A (en) * 2014-08-13 2014-12-03 合肥长源液压股份有限公司 Single-action supercharger
CN108679007A (en) * 2018-05-18 2018-10-19 东莞海特帕沃液压科技有限公司 A kind of compact single-acting hydraulic booster
CN108679007B (en) * 2018-05-18 2019-11-08 安徽绿动能源有限公司 A kind of compact single-acting hydraulic booster

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141231

Termination date: 20170813